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upgradeimpl.go
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upgradeimpl.go
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package deployer
import (
"context"
"fmt"
"reflect"
"github.com/rancher/rancher/pkg/ref"
"github.com/rancher/types/apis/core/v1"
"github.com/rancher/norman/controller"
alertutil "github.com/rancher/rancher/pkg/controllers/user/alert/common"
"github.com/rancher/rancher/pkg/controllers/user/systemimage"
monitorutil "github.com/rancher/rancher/pkg/monitoring"
"github.com/rancher/types/apis/apps/v1beta2"
"github.com/rancher/types/apis/management.cattle.io/v3"
projectv3 "github.com/rancher/types/apis/project.cattle.io/v3"
"github.com/rancher/rancher/pkg/controllers/user/helm/common"
"github.com/rancher/rancher/pkg/settings"
"github.com/rancher/types/config"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
)
var (
serviceName = "alerting"
)
type alertService struct {
clusterName string
apps projectv3.AppInterface
deployments v1beta2.DeploymentInterface
oldClusterAlerts v3.ClusterAlertInterface
oldProjectAlerts v3.ProjectAlertInterface
clusterAlertGroups v3.ClusterAlertGroupInterface
projectAlertGroups v3.ProjectAlertGroupInterface
clusterAlertRules v3.ClusterAlertRuleInterface
projectAlertRules v3.ProjectAlertRuleInterface
projectLister v3.ProjectLister
namespaces v1.NamespaceInterface
appDeployer *appDeployer
}
func init() {
systemimage.RegisterSystemService(serviceName, &alertService{})
}
func (l *alertService) Init(ctx context.Context, cluster *config.UserContext) {
ad := &appDeployer{
appsGetter: cluster.Management.Project,
namespaces: cluster.Management.Core.Namespaces(metav1.NamespaceAll),
secrets: cluster.Core.Secrets(metav1.NamespaceAll),
templateVersions: cluster.Management.Management.TemplateVersions(metav1.NamespaceAll),
}
l.clusterName = cluster.ClusterName
l.deployments = cluster.Apps.Deployments("")
l.oldClusterAlerts = cluster.Management.Management.ClusterAlerts(cluster.ClusterName)
l.oldProjectAlerts = cluster.Management.Management.ProjectAlerts(metav1.NamespaceAll)
l.clusterAlertGroups = cluster.Management.Management.ClusterAlertGroups(cluster.ClusterName)
l.projectAlertGroups = cluster.Management.Management.ProjectAlertGroups(metav1.NamespaceAll)
l.clusterAlertRules = cluster.Management.Management.ClusterAlertRules(cluster.ClusterName)
l.projectAlertRules = cluster.Management.Management.ProjectAlertRules(metav1.NamespaceAll)
l.projectLister = cluster.Management.Management.Projects(cluster.ClusterName).Controller().Lister()
l.apps = cluster.Management.Project.Apps(metav1.NamespaceAll)
l.appDeployer = ad
}
func (l *alertService) Version() (string, error) {
catalogID := settings.SystemMonitoringCatalogID.Get()
templateVersionID, err := common.ParseExternalID(catalogID)
if err != nil {
return "", fmt.Errorf("get system monitor catalog version failed, %v", err)
}
return templateVersionID, nil
}
func (l *alertService) Upgrade(currentVersion string) (string, error) {
newCatalogID := settings.SystemMonitoringCatalogID.Get()
NewVersion, err := common.ParseExternalID(newCatalogID)
if currentVersion == NewVersion {
return currentVersion, nil
}
//migrate legacy
appName, _ := monitorutil.ClusterAlertManagerInfo()
oldClusterAlert, err := l.oldClusterAlerts.List(metav1.ListOptions{})
if err != nil {
return "", fmt.Errorf("get old cluster alert failed, %s", err)
}
for _, v := range oldClusterAlert.Items {
migrationGroupName := fmt.Sprintf("migrate-group-%s", v.Name)
groupID := alertutil.GetGroupID(l.clusterName, migrationGroupName)
name := fmt.Sprintf("migrate-%s", v.Name)
newClusterRule := &v3.ClusterAlertRule{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: l.clusterName,
},
Spec: v3.ClusterAlertRuleSpec{
ClusterName: l.clusterName,
GroupName: groupID,
CommonRuleField: v3.CommonRuleField{
DisplayName: v.Spec.DisplayName,
Severity: v.Spec.Severity,
TimingField: v3.TimingField{
GroupIntervalSeconds: v.Spec.InitialWaitSeconds,
RepeatIntervalSeconds: v.Spec.RepeatIntervalSeconds,
},
},
},
}
if v.Spec.TargetNode != nil {
newClusterRule.Spec.NodeRule = &v3.NodeRule{
NodeName: v.Spec.TargetNode.NodeName,
Selector: v.Spec.TargetNode.Selector,
Condition: v.Spec.TargetNode.Condition,
MemThreshold: v.Spec.TargetNode.MemThreshold,
CPUThreshold: v.Spec.TargetNode.CPUThreshold,
}
}
if v.Spec.TargetEvent != nil {
newClusterRule.Spec.EventRule = &v3.EventRule{
EventType: v.Spec.TargetEvent.EventType,
ResourceKind: v.Spec.TargetEvent.ResourceKind,
}
}
if v.Spec.TargetSystemService != nil {
newClusterRule.Spec.SystemServiceRule = &v3.SystemServiceRule{
Condition: v.Spec.TargetSystemService.Condition,
}
}
oldClusterRule, err := l.clusterAlertRules.Get(newClusterRule.Name, metav1.GetOptions{})
if err != nil {
if !apierrors.IsNotFound(err) {
return "", fmt.Errorf("migrate %s:%s failed, get alert rule failed, %v", v.Namespace, v.Name, err)
}
if _, err = l.clusterAlertRules.Create(newClusterRule); err != nil && !apierrors.IsAlreadyExists(err) {
return "", fmt.Errorf("migrate %s:%s failed, create alert rule failed, %v", v.Namespace, v.Name, err)
}
} else {
updatedClusterRule := oldClusterRule.DeepCopy()
updatedClusterRule.Spec = newClusterRule.Spec
if _, err := l.clusterAlertRules.Update(updatedClusterRule); err != nil {
return "", fmt.Errorf("migrate %s:%s failed, update alert rule failed, %v", v.Namespace, v.Name, err)
}
}
legacyGroup := &v3.ClusterAlertGroup{
ObjectMeta: metav1.ObjectMeta{
Name: migrationGroupName,
Namespace: l.clusterName,
},
Spec: v3.ClusterGroupSpec{
ClusterName: l.clusterName,
CommonGroupField: v3.CommonGroupField{
DisplayName: "Migrate group",
Description: "Migrate alert from last version",
},
Recipients: v.Spec.Recipients,
},
}
legacyGroup, err = l.clusterAlertGroups.Create(legacyGroup)
if err != nil && !apierrors.IsAlreadyExists(err) {
return "", fmt.Errorf("migrate failed, create alert group %s:%s failed, %v", l.clusterName, migrationGroupName, err)
}
}
oldProjectAlert, err := l.oldProjectAlerts.List(metav1.ListOptions{})
if err != nil {
return "", fmt.Errorf("get old project alert failed, %s", err)
}
oldProjectAlertGroup := make(map[string][]*v3.ProjectAlert)
for _, v := range oldProjectAlert.Items {
if controller.ObjectInCluster(l.clusterName, v) {
oldProjectAlertGroup[v.Spec.ProjectName] = append(oldProjectAlertGroup[v.Spec.ProjectName], &v)
}
}
for projectID, oldAlerts := range oldProjectAlertGroup {
_, projectName := ref.Parse(projectID)
for _, v := range oldAlerts {
migrationGroupName := fmt.Sprintf("migrate-group-%s", v.Name)
groupID := alertutil.GetGroupID(projectName, migrationGroupName)
migrationRuleName := fmt.Sprintf("migrate-rule-%s", v.Name)
newProjectRule := &v3.ProjectAlertRule{
ObjectMeta: metav1.ObjectMeta{
Name: migrationRuleName,
Namespace: projectName,
},
Spec: v3.ProjectAlertRuleSpec{
ProjectName: projectName,
GroupName: groupID,
CommonRuleField: v3.CommonRuleField{
DisplayName: v.Spec.DisplayName,
Severity: v.Spec.Severity,
TimingField: v3.TimingField{
GroupIntervalSeconds: v.Spec.InitialWaitSeconds,
RepeatIntervalSeconds: v.Spec.RepeatIntervalSeconds,
},
},
},
}
if v.Spec.TargetPod != nil {
newProjectRule.Spec.PodRule = &v3.PodRule{
PodName: v.Spec.TargetPod.PodName,
Condition: v.Spec.TargetPod.Condition,
RestartTimes: v.Spec.TargetPod.RestartTimes,
RestartIntervalSeconds: v.Spec.TargetPod.RestartIntervalSeconds,
}
}
if v.Spec.TargetWorkload != nil {
newProjectRule.Spec.WorkloadRule = &v3.WorkloadRule{
WorkloadID: v.Spec.TargetWorkload.WorkloadID,
Selector: v.Spec.TargetWorkload.Selector,
AvailablePercentage: v.Spec.TargetWorkload.AvailablePercentage,
}
}
oldProjectRule, err := l.projectAlertRules.GetNamespaced(projectName, newProjectRule.Name, metav1.GetOptions{})
if err != nil {
if !apierrors.IsNotFound(err) {
return "", fmt.Errorf("migrate %s:%s failed, get alert rule failed, %v", v.Namespace, v.Name, err)
}
if _, err = l.projectAlertRules.Create(newProjectRule); err != nil && !apierrors.IsAlreadyExists(err) {
return "", fmt.Errorf("migrate %s:%s failed, create alert rule failed, %v", v.Namespace, v.Name, err)
}
} else {
updatedProjectRule := oldProjectRule.DeepCopy()
updatedProjectRule.Spec = newProjectRule.Spec
if _, err := l.projectAlertRules.Update(updatedProjectRule); err != nil {
return "", fmt.Errorf("migrate %s:%s failed, update alert rule failed, %v", v.Namespace, v.Name, err)
}
}
legacyGroup := &v3.ProjectAlertGroup{
ObjectMeta: metav1.ObjectMeta{
Name: migrationGroupName,
Namespace: projectName,
},
Spec: v3.ProjectGroupSpec{
ProjectName: projectID,
CommonGroupField: v3.CommonGroupField{
DisplayName: "Migrate group",
Description: "Migrate alert from last version",
},
Recipients: v.Spec.Recipients,
},
}
legacyGroup, err = l.projectAlertGroups.Create(legacyGroup)
if err != nil && !apierrors.IsAlreadyExists(err) {
return "", fmt.Errorf("create migrate alert group %s:%s failed, %v", legacyGroup.Namespace, legacyGroup.Name, err)
}
}
}
//clean up
set := fields.Set{
"metadata.namespace": l.clusterName,
}
if err := l.oldClusterAlerts.DeleteCollection(&metav1.DeleteOptions{}, metav1.ListOptions{
FieldSelector: set.AsSelector().String(),
}); err != nil && !apierrors.IsNotFound(err) {
return "", fmt.Errorf("migrate failed, delete old cluster alert in namespace %s failded, %v", l.clusterName, err)
}
for projectName := range oldProjectAlertGroup {
if err := l.oldProjectAlerts.DeleteCollection(&metav1.DeleteOptions{}, metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.namespace=%s", projectName),
}); err != nil && !apierrors.IsNotFound(err) {
return "", fmt.Errorf("migrate failed, delete old project alert in namespace %s failded, %v", projectName, err)
}
}
//upgrade old app
defaultSystemProjects, err := l.projectLister.List(metav1.NamespaceAll, labels.Set(systemProjectLabel).AsSelector())
if err != nil {
return "", fmt.Errorf("list system project failed, %v", err)
}
if len(defaultSystemProjects) == 0 {
return "", fmt.Errorf("get system project failed")
}
systemProject := defaultSystemProjects[0]
if systemProject == nil {
return "", fmt.Errorf("get system project failed")
}
app, err := l.apps.GetNamespaced(systemProject.Name, appName, metav1.GetOptions{})
if err != nil {
if apierrors.IsNotFound(err) {
return NewVersion, nil
}
return "", fmt.Errorf("get app %s:%s failed, %v", systemProject.Name, appName, err)
}
newApp := app.DeepCopy()
newApp.Spec.ExternalID = newCatalogID
if !reflect.DeepEqual(newApp, app) {
if _, err = l.apps.Update(newApp); err != nil {
return "", fmt.Errorf("update app %s:%s failed, %v", app.Namespace, app.Name, err)
}
}
return NewVersion, nil
}